28688828

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14431}}^1$

素因数の和:14513

約数の個数: 24

約数和(自身を含む): 58189824

約数和(自身を除く): 29500996

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 14431, 28862, 57724, 101017, 202034, 404068, 1024601, 2049202, 4098404, 7172207, 14344414, 28688828]

約数ペア:

[(1, 28688828), (2, 14344414), (4, 7172207), (7, 4098404), (14, 2049202), (28, 1024601), (71, 404068), (142, 202034), (284, 101017), (497, 57724), (994, 28862), (1988, 14431)]